User-agent: AhrefsBot
Disallow: /

User-agent: Ezooms
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: YandexBot
Disallow: /

User-agent: OpenVAS
Disallow: /

User-agent: *
Crawl-Delay: 5
Disallow: /admin/
Disallow: /tasks/
Disallow: /requirements/
Disallow: /config/